6877340077521 has 8 divisors (see below), whose sum is σ = 9172431660384. Its totient is φ = 4583570939840.

The previous prime is 6877340077493. The next prime is 6877340077547. The reversal of 6877340077521 is 1257700437786.

6877340077521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6877340077521 - 2³¹ = 6875192593873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6877340077561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330599160 + ... + 330619961.

It is an arithmetic number, because the mean of its divisors is an integer number (1146553957548).

Almost surely, 2^{6877340077521} is an apocalyptic number.

It is an amenable number.

6877340077521 is a deficient number, since it is larger than the sum of its proper divisors (2295091582863).

6877340077521 is a wasteful number, since it uses less digits than its factorization.

6877340077521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661222591.

The product of its (nonzero) digits is 13829760, while the sum is 57.

The spelling of 6877340077521 in words is "six trillion, eight hundred seventy-seven billion, three hundred forty million, seventy-seven thousand, five hundred twenty-one".